1H-pyrazole-4-sulfonyl chloride

Modify Date: 2025-08-25 13:52:41

1H-pyrazole-4-sulfonyl chloride Structure
1H-pyrazole-4-sulfonyl chloride structure
Common Name 1H-pyrazole-4-sulfonyl chloride
CAS Number 438630-64-9 Molecular Weight 166.58600
Density 1.706g/cm3 Boiling Point 364.2ºC at 760mmHg
Molecular Formula C3H3ClN2O2S Melting Point N/A
MSDS N/A Flash Point 174.1ºC

 Names

Name 1H-pyrazole-4-sulfonyl chloride
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.706g/cm3
Boiling Point 364.2ºC at 760mmHg
Molecular Formula C3H3ClN2O2S
Molecular Weight 166.58600
Flash Point 174.1ºC
Exact Mass 165.96000
PSA 71.20000
LogP 1.41800
InChIKey MRPFJQLRQGTKNI-UHFFFAOYSA-N
SMILES O=S(=O)(Cl)c1cn[nH]c1

 Safety Information

HS Code 2933199090

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

chloropyrazol-4-ylsulfone
1H-Pyrazole-4-sulfonylchloride
4-Chlorosulfonylpyrazole
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